You can also use Top stop,top stop gold or even Easy light...Far far superior to Ispon P38 wich is hard as nails,I wont use it in work for a couple of reasons,One is as you have rightly said is difficult to sand and the other is it leaves far to many pin prick holes for my liking,when repairing car bodies time is of the esscence hence why we use the above...Hope this is of help

Dave I only discovered this recently as I wanted some more easy light but they've re-branded there whole line. Unfortunately they don't make it in small tins anymore either so I had to buy a much bigger one. Do you have any idea how long I can expect it to last before it becomes useless in the tin?

Yea I know but it really is the best stuff. I'm hoping that Dave will come back and let me know that it will stay ok in the tin for years Bad filler can make a build a real nightmare but Upol is good gear!

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Its not the finishing that matters - Its the journey along the way that counts

It's Me right then the tin in the pic is around 3 years old and still usable just make sure you close the tin properly and it will last...one top tip make sure you stir it thoroughly as soon as you reopen it as if you don't you will use up all the resin in it and render it useless

DaveThe stuff in your picture (Blue letters on the can) seems to be a 2-pack filler while there is also one with a lilac-coloured label which doesn't mention hardener. It also seems to be half the price of the blue can stuff.Can you clarify for me, please?Dave M

Just for YOU Dave as yes of course it it a tad expensive to use But the results for me far outweighs the price as Nine times out of ten you can apply it in a single fill and not need a second layer. Now I have used this in the past and found it quite good maybe a second to what I use now

Sorry to come in a bit late on this. I use 'Squadron Products Green Filler'. Comes in a 65g / 2.3 oz tube. From about £5 to £6.50. Dries in 30 min. Put it on with a wet finger! Google search 'Squadron Products Green Putty' on the internet and there are usually 2 or 3 people selling it. Prices vary but the most expensive are often post free so take a look.

I've just checked Halfords website for Upol price!£28 - £29 for 3.5L tin!I would pay that if had enough boats to build/repair but the qty is too large for me with only one or two boats in mind.3.5 L is quite a size I thought?N

All the fillers tend to stiffen over time, so buying a lot isn't a good idea unless you are going to get through a lot of it, which modelmakers don't tend to do.

I use Upol Dolphin glaze and Fantastic, Dolphin glaze is more like a two part stopper, so quite runny, I sometimes mix the two to form an 'inbetween' filler. You can purchase each in bag form rather than in a tin, this helps keep the product fresher.